68128926 has 8 divisors (see below), whose sum is σ = 136257864. Its totient is φ = 22709640.

The previous prime is 68128919. The next prime is 68128937. The reversal of 68128926 is 62982186.

It is a sphenic number, since it is the product of 3 distinct primes.

68128926 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5677405 + ... + 5677416.

It is an arithmetic number, because the mean of its divisors is an integer number (17032233).

Almost surely, 2^68128926 is an apocalyptic number.

68128926 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68128926 is a wasteful number, since it uses less digits than its factorization.

68128926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11354826.

The product of its digits is 82944, while the sum is 42.

The square root of 68128926 is about 8254.0248364056. The cubic root of 68128926 is about 408.4233039380.

The spelling of 68128926 in words is "sixty-eight million, one hundred twenty-eight thousand, nine hundred twenty-six".